Home / 8,314.66-12,476.58-3,387.77

Finding the Fourth Proportional to 8,314.66, 12,476.58 and 3,387.77

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Solution

The fourth proportional to 8,314.66, 12,476.58 and 3,387.77 is: 5,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.66 : 12,476.58 = 3,387.77 : x
  2. Step 2: Convert to fraction form
    8,314.66/12,476.58 = 3,387.77/x
  3. Step 3: Cross multiply
    8,314.66x = 12,476.58 × 3,387.77
  4. Step 4: Simplify right side
    8,314.66x = 42,267,783.43
  5. Step 5: Solve for x
    x = 42,267,783.43/8,314.66
  6. Step 6: Final answer
    x = 5,083.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.